Standard buffer managers assume each block is of the same size and costs the same to read. consider a buffer manager that, instead of lru, uses the rate of reference to objects, that is, how often an object has been accessed in the last n seconds. suppose we want to store in the buffer objects of varying sizes, and varying read costs (such as web pages, whose read cost depends on the site from which they are fetched). suggest how a buffer manager may choose which block to evict from the buffer.

Which of the following statements best describes it careers?

How do you set up a slide show to play continuously, advancing through all the slides without requiring your interaction? a. click set up slide show, and then select the loop continuously until ‘esc' and show without narration options. b. click set up slide show, and then select the loop continuously until ‘esc' and use timings, if present options. c. click set up slide show, and then select the show presenter view and use timings, if present options. d. click set up slide show, and then select the show without animation and browsed at a kiosk (full screen) options.

This graph compares the cost of room and board at educational institutions in texas.